re·​hy·​drate | \ (ˌ)rē-ˈhī-ˌdrāt How to pronounce rehydrate (audio) \
rehydrated; rehydrating; rehydrates

Definition of rehydrate

transitive verb

: to restore fluid to (something dehydrated)

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Other Words from rehydrate

rehydratable \ (ˌ)rē-​ˈhī-​ˌdrā-​tə-​bəl How to pronounce rehydratable (audio) \ adjective
rehydration \ ˌrē-​ˌhī-​ˈdrā-​shən How to pronounce rehydration (audio) \ noun

Examples of rehydrate in a Sentence

Recent Examples on the Web

Swaronda Garcia, 41, and her three youngest children, two boys and a girl ages 7, 5, and 2, walked from Haven for Hope to rehydrate. Jacob Beltran,, "City, organizations help residents cope with rising heat," 20 June 2019 Doctors may treat heat stroke by immersing the patient in cold water, using cooling blankets and ice packs, and administering IV fluids to rehydrate the body. Samantha Lauriello,, "Heat Stroke Vs. Heat Exhaustion—A Doctor Explains the Difference," 18 June 2019 To me, the real crime here was that a player still in the draw—who needed to rehydrate, eat, cool down, and prepare for a Grand Slam fourth round match—was ejected in favor of a player no longer in the draw. Jon Wertheim,, "50 Parting Thoughts From the 2019 French Open: Rafa, Barty and So Much More," 9 June 2019 Drink plenty of water while cleaning out and after the procedure to rehydrate. Danielle Corcione, Teen Vogue, "What to Expect During Your First Colonoscopy," 26 May 2019 To finish, lightly buff the surface of the nail with a buffing tool, and apply oil to your nails and cuticles to rehydrate. Tiffany Dodson, SELF, "4 Mistakes You’re Making When Wearing Gel Nail Polish," 25 Jan. 2019 Apply lots of fragrance-free moisturizers to rehydrate that top layer of skin. Caroline Picard, Good Housekeeping, "How Long a Sunburn Lasts Before Fading Away — And How to Make It Heal Faster," 17 Apr. 2019 It was created with Clinique's fancy, auto-replenishing technology that helps skin create an internal water source to continuously rehydrate itself throughout the day. Tanisha Pina, Allure, "The Best Beauty Deals From the Macy's Fall VIP Sale," 21 Sep. 2018 Named after the German word for cyclist, these beverages are a mixture of beer and fruit juice, designed to rehydrate a tired cyclist while still being a bit beery. Markus Haas, San Antonio Express-News, "Your guide to 8 great summer beers," 12 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'rehydrate.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of rehydrate

1945, in the meaning defined above

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Statistics for rehydrate

Last Updated

26 Jun 2019

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Time Traveler for rehydrate

The first known use of rehydrate was in 1945

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More Definitions for rehydrate


transitive verb
re·​hy·​drate | \ (ˈ)rē-ˈhī-ˌdrāt How to pronounce rehydrate (audio) \
rehydrated; rehydrating

Medical Definition of rehydrate

: to restore fluid to (something dehydrated) especially : to restore body fluid lost in dehydration to rehydrate a patient

Other Words from rehydrate

rehydration \ ˌrē-​ˌhī-​ˈdrā-​shən How to pronounce rehydration (audio) \ noun

Comments on rehydrate

What made you want to look up rehydrate? Please tell us where you read or heard it (including the quote, if possible).


appealing forcibly to the mind or reason

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